Originally Posted by AviatorTroy
GREAT idea! Reminds me of when I was a kid and my dad and his buddies ran a sprint car, they were always going at the tires with one of those tire siping knifes.
Where did you order that tire groover?
Ebay, of course. I got the Ideal 250w gun with 2 different heads and 2 dozen blades for $90. I figure it came pretty close to paying for itself right out of the box.